2156061162 has 8 divisors (see below), whose sum is σ = 4312122336. Its totient is φ = 718687052.

The previous prime is 2156061121. The next prime is 2156061163. The reversal of 2156061162 is 2611606512.

It is a sphenic number, since it is the product of 3 distinct primes.

2156061162 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2156061163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179671758 + ... + 179671769.

It is an arithmetic number, because the mean of its divisors is an integer number (539015292).

Almost surely, 2^2156061162 is an apocalyptic number.

2156061162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2156061162 is a wasteful number, since it uses less digits than its factorization.

2156061162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359343532.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2156061162 is about 46433.4056687639. The cubic root of 2156061162 is about 1291.8745980363.

Adding to 2156061162 its reverse (2611606512), we get a palindrome (4767667674).

The spelling of 2156061162 in words is "two billion, one hundred fifty-six million, sixty-one thousand, one hundred sixty-two".